how to diagnose if my Tesla Model S Original (2012-2020) has a faulty wheel bearing

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

4 min read

618 words

⚠️ Safety Warning

This issue requires immediate attention. If you are not experienced with automotive repairs, consult a professional mechanic. Working on critical systems can be dangerous.

Problem Statement

Learn how to diagnose and fix a faulty wheel bearing in Tesla Model S (2012-2020). Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component

Suspension

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Ensure the vehicle is on a flat surface and secure with wheel chocks before lifting.
•Always use jack stands when working under a vehicle.
•Allow the vehicle to cool before working on the brake components to avoid burns.

Symptoms

•Unusual noise (grinding or humming) coming from the wheel area, especially during turns.
•Vibration felt in the steering wheel or through the chassis at certain speeds.
•Uneven tire wear patterns.
•Increased play in the wheel when rocked back and forth.
•Warning lights or alerts on the dashboard related to wheel or traction control systems.

Diagnostic Steps

1
Check for any visible signs of damage or wear on the wheel and suspension components.
2
Drive the vehicle and listen for abnormal noises while turning and changing speeds.
3
Jack up the vehicle and secure it on jack stands. Grab the wheel at 12 and 6 o'clock positions and check for excessive play.
4
With the vehicle safely lifted, spin the wheel and listen for grinding noises indicating bearing issues.
5
After a short drive, carefully feel the temperature of the wheel hub area to detect overheating which can indicate a bearing problem.
6
If equipped, check for any abnormal readings in the wheel speed sensors that might suggest a bearing issue.

Solution

💡 Expert Tip

For complex repairs like this, consider taking photos at each step. This helps if you need to reverse a step or consult with a mechanic. Also, keep all removed parts organized - you may need to reference them during reassembly.

Verification

After completing the repair, verify that the issue has been resolved:

✓Test the affected component to ensure it functions correctly
✓Check for any error codes or warning lights
✓Monitor the vehicle for a few days to ensure the issue does not recur

Prevention Tips

To prevent this issue from occurring again:

•Follow the manufacturer's recommended maintenance schedule
•Address warning signs early before they develop into major issues
•Use quality parts and fluids recommended for your vehicle
•Keep detailed records of all repairs and maintenance

Tools & Equipment Required

•Jack and jack stands
•Wheel chocks
•Torque wrench
•Socket set
•Pry bar
•Multimeter
•Bearing press

Parts Required

•New wheel bearing
•New brake pads
•New brake rotor

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Symptoms

•Unusual noise (grinding or humming) coming from the wheel area, especially during turns.

•Vibration felt in the steering wheel or through the chassis at certain speeds.

•Uneven tire wear patterns.

•Increased play in the wheel when rocked back and forth.

•Warning lights or alerts on the dashboard related to wheel or traction control systems.

Diagnostic Steps

1
Check for any visible signs of damage or wear on the wheel and suspension components.
2
Drive the vehicle and listen for abnormal noises while turning and changing speeds.
3
Jack up the vehicle and secure it on jack stands. Grab the wheel at 12 and 6 o'clock positions and check for excessive play.
4
With the vehicle safely lifted, spin the wheel and listen for grinding noises indicating bearing issues.
5
After a short drive, carefully feel the temperature of the wheel hub area to detect overheating which can indicate a bearing problem.
6
If equipped, check for any abnormal readings in the wheel speed sensors that might suggest a bearing issue.

Solution

1. Preparation

Tools Required: Jack and jack stands, wheel chocks, torque wrench, socket set, pry bar, multimeter.
Safety Warnings: Ensure the vehicle is on a flat surface and secure with wheel chocks before lifting.

2. Remove Wheel

Loosen the lug nuts on the affected wheel while the car is on the ground.
Use the jack to lift the vehicle and secure it on jack stands.
Remove the lug nuts completely and take off the wheel.

3. Inspect and Remove Brake Components

Remove the brake caliper by unbolting it from the bracket. Hang it securely to avoid stress on the brake line.
Remove the brake rotor by unbolting it from the hub assembly.

4. Remove Wheel Hub Assembly

Unbolt the wheel hub assembly from the knuckle. Take note of any alignment marks for reinstallation.
Use a pry bar if necessary to gently separate the hub from the knuckle.

5. Replace Wheel Bearing

Press out the old wheel bearing from the hub assembly using a bearing press.
Clean the hub and install the new bearing, ensuring it is seated properly.
Reassemble the hub assembly by reversing the removal steps.

6. Reinstall Brake Components and Wheel

Reattach the brake rotor and then the caliper.
Reinstall the wheel and hand-tighten the lug nuts before lowering the vehicle.
Torque the lug nuts to the manufacturer's specifications once the vehicle is back on the ground.